What Are the Specifications of the Carbon Monoxide Plug Alarm?
This plug-in carbon monoxide alarm provides continuous protection against dangerous CO levels in your home. With advanced electrochemical sensing technology, a digital LCD display, and both AC power with battery backup, it delivers dependable detection and clear alerts when every second counts. Designed for residential use, it’s compact, easy to install, and built to meet UL 2034 standards.
Key Areas Covered:
Model Number: USI/CO/PLUG
Product Overview
Specifications
Features & Benefits
Installation Requirements
FAQs
Usage & Tips
Specifications:
Power Source: 120V AC, 60Hz, 35mA max with 3V DC (2 × 1.5V AA alkaline batteries – Energizer E91 or Gold Peak GN15A)
Operating Temperature: 40°F to 100°F (4.4°C to 37.8°C)
Dimensions: 5.19" × 2.87" × 1.45" (132 × 73 × 37 mm)
Sensor Type: Electrochemical
CO Detection Sensitivity:
30 ppm – no alarm within 30 days
70 ppm – alarm within 60–240 minutes
150 ppm – alarm within 10–50 minutes
400 ppm – alarm within 4–15 minutes
Audible Alarm: ≥ 85 dB at 10 ft (3.05 m)
Low Battery Warning Silence: About 10 hours
CO Alarm Silence: About 5 minutes
Rated Life: 10 years from date of manufacture
Safety Rating: Conforms to UL 2034
Features & Benefits:
Advanced electrochemical sensor for precise detection
Digital LCD display shows real-time CO levels
Plug-in design with battery backup for continuous protection during power outages
Test/Silence button for quick function checks or muting false alarms
3-color LED indicators:
Green = Power
Yellow = Fault
Red = Alarm
Alarm memory to recall the highest detected CO level in the last 7 days
Meets National Fire Protection Association (NFPA) 72 installation standards
Installation Requirements:
Install in an open, unobstructed area at least 5 ft away from heating or cooking appliances (15 ft recommended)
Must be plugged into a standard, non-switched 120V AC wall outlet
Place where it can be heard from all sleeping areas
Avoid installation near fresh air vents, fans, humid areas, or behind curtains/furniture
FAQs
Q: Can I use this CO alarm outdoors?
A: No. This device is designed for indoor residential use only.Q: Does this alarm detect smoke or natural gas?
A: No. It only detects carbon monoxide gas.Q: How often should I test the alarm?
A: Test weekly using the TEST/SILENCE button.Q: How long will the backup batteries last?
A: Typically, about 1 year under normal conditions.
Usage & Tips:
Test your CO alarm weekly
Keep alarm vents free of dust and debris
Do not paint the alarm or block airflow